18772623

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{3943}}^1$

素因数の和:3995

約数の個数: 18

約数和(自身を含む): 28353416

約数和(自身を除く): 9580793

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 3943, 4761, 11829, 35487, 90689, 272067, 816201, 2085847, 6257541, 18772623]

約数ペア:

[(1, 18772623), (3, 6257541), (9, 2085847), (23, 816201), (69, 272067), (207, 90689), (529, 35487), (1587, 11829), (3943, 4761)]